AC Bridges - 2 - MCQs with answers

AC Bridges - 2 - MCQs with answers

Q1. If C₄ is the capacitance and R₄ is the resistance of Hay’s bridge, then the Q factor of Hay’s bridge is given by

A. 1 / ωC₄R₄

B. ωC₄R₄

C. ωC₄ / R₄

D. ωR₄ / C₄

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Q2. The Hay’s bridge is suitable for the measurement of inductances of coils with Q factor

A. More than 10
B. Less than 1
C. More than 1
D. Less than 10

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Q3. Anderson bridges is suitable for the measurement of

A. Resistance
B. Inductance
C. Capacitance
D. All of these

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Q4. The dielectric loss of pure capacitor is equal to

A. 1
B. 0
C. Maximum
D. None of these

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Q5. If δ is the loss angle then the dissipation factor is given by

A. sin δ
B. cos δ
C. tan δ
D. cot δ

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Q6. The Schering bridges can be used at

A. low voltage
B. high voltage
C. medium voltage
D. both (a) and (b)

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Q7. The bridge suitable for the measurement of capacitance is /are

A. Anderson’s bridge
B. Hay’s bridge
C. Owen’s bridge
D. None of these

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Q8. Schering bridges are used for the measurement of

A. Unknown capacitance
B. Dielectric loss
C. Power factor
D. All of these

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